Question: Tell me the binary star that constellation Canis Major and which that starts with the letter s
Paraphrase: Let me know the parallel star that group of stars Canis Major and which that begins with the letter s
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q50053 . ?sbj wdt:P59 wd:Q10538 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 's')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Sirius, Sirius, Sirius B, Sirius B, Sirius A, Sirius A